Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753417AbdCATcG (ORCPT ); Wed, 1 Mar 2017 14:32:06 -0500 Received: from mail-pg0-f67.google.com ([74.125.83.67]:35960 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753280AbdCATbF (ORCPT ); Wed, 1 Mar 2017 14:31:05 -0500 Date: Thu, 2 Mar 2017 00:51:40 +0530 From: Arushi Singhal To: w.d.hubbs@gmail.com Cc: Chris Brannon , Kirk Reiser , Samuel Thibault , Greg Kroah-Hartman , speakup@linux-speakup.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, outreachy-kernel@googlegroups.com Subject: [PATCH] staging: speakup: Comparison to NULL could be written Message-ID: <20170301192140.GA30680@arushi-HP-Pavilion-Notebook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7106 Lines: 208 Fixed coding style for null comparisons in speakup driver to be more consistant with the rest of the kernel coding style. Signed-off-by: Arushi Singhal --- drivers/staging/speakup/fakekey.c | 2 +- drivers/staging/speakup/kobjects.c | 2 +- drivers/staging/speakup/main.c | 38 +++++++++++++++++++------------------- 3 files changed, 21 insertions(+), 21 deletions(-) diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c index d76da0a1382c..294c74b47224 100644 --- a/drivers/staging/speakup/fakekey.c +++ b/drivers/staging/speakup/fakekey.c @@ -56,7 +56,7 @@ int speakup_add_virtual_keyboard(void) void speakup_remove_virtual_keyboard(void) { - if (virt_keyboard != NULL) { + if (virt_keyboard) { input_unregister_device(virt_keyboard); virt_keyboard = NULL; } diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c index 5d871ec3693c..fdd6e4b33951 100644 --- a/drivers/staging/speakup/kobjects.c +++ b/drivers/staging/speakup/kobjects.c @@ -391,7 +391,7 @@ static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr, len--; new_synth_name[len] = '\0'; spk_strlwr(new_synth_name); - if ((synth != NULL) && (!strcmp(new_synth_name, synth->name))) { + if ((synth) && (!strcmp(new_synth_name, synth->name))) { pr_warn("%s already in use\n", new_synth_name); } else if (synth_init(new_synth_name) != 0) { pr_warn("failed to init synth %s\n", new_synth_name); diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index c2f70ef5b9b3..3d3d62c7a5ef 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -299,7 +299,7 @@ static void speakup_shut_up(struct vc_data *vc) spk_shut_up |= 0x01; spk_parked &= 0xfe; speakup_date(vc); - if (synth != NULL) + if (synth) spk_do_flush(); } @@ -441,7 +441,7 @@ static void speak_char(u_char ch) synth_printf("%s", spk_str_caps_stop); return; } - if (cp == NULL) { + if (!cp) { pr_info("speak_char: cp == NULL!\n"); return; } @@ -1157,7 +1157,7 @@ static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag) { unsigned long flags; - if (synth == NULL || up_flag || spk_killed) + if (!synth || up_flag || spk_killed) return; spin_lock_irqsave(&speakup_info.spinlock, flags); if (cursor_track == read_all_mode) { @@ -1195,7 +1195,7 @@ static void do_handle_latin(struct vc_data *vc, u_char value, char up_flag) spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } - if (synth == NULL || spk_killed) { + if (!synth || spk_killed) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1279,7 +1279,7 @@ void spk_reset_default_chars(void) /* First, free any non-default */ for (i = 0; i < 256; i++) { - if ((spk_characters[i] != NULL) + if ((spk_characters[i]) && (spk_characters[i] != spk_default_chars[i])) kfree(spk_characters[i]); } @@ -1321,10 +1321,10 @@ static int speakup_allocate(struct vc_data *vc) int vc_num; vc_num = vc->vc_num; - if (speakup_console[vc_num] == NULL) { + if (!speakup_console[vc_num]) { speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]), GFP_ATOMIC); - if (speakup_console[vc_num] == NULL) + if (!speakup_console[vc_num]) return -ENOMEM; speakup_date(vc); } else if (!spk_parked) @@ -1373,7 +1373,7 @@ static void kbd_fakekey2(struct vc_data *vc, int command) static void read_all_doc(struct vc_data *vc) { - if ((vc->vc_num != fg_console) || synth == NULL || spk_shut_up) + if ((vc->vc_num != fg_console) || !synth || spk_shut_up) return; if (!synth_supports_indexing()) return; @@ -1487,7 +1487,7 @@ static int pre_handle_cursor(struct vc_data *vc, u_char value, char up_flag) spin_lock_irqsave(&speakup_info.spinlock, flags); if (cursor_track == read_all_mode) { spk_parked &= 0xfe; - if (synth == NULL || up_flag || spk_shut_up) { + if (!synth || up_flag || spk_shut_up) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return NOTIFY_STOP; } @@ -1509,7 +1509,7 @@ static void do_handle_cursor(struct vc_data *vc, u_char value, char up_flag) spin_lock_irqsave(&speakup_info.spinlock, flags); spk_parked &= 0xfe; - if (synth == NULL || up_flag || spk_shut_up || cursor_track == CT_Off) { + if (!synth || up_flag || spk_shut_up || cursor_track == CT_Off) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1705,7 +1705,7 @@ static void speakup_bs(struct vc_data *vc) return; if (!spk_parked) speakup_date(vc); - if (spk_shut_up || synth == NULL) { + if (spk_shut_up || !synth ) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return; } @@ -1722,7 +1722,7 @@ static void speakup_con_write(struct vc_data *vc, const char *str, int len) { unsigned long flags; - if ((vc->vc_num != fg_console) || spk_shut_up || synth == NULL) + if ((vc->vc_num != fg_console) || spk_shut_up || !synth ) return; if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) /* Speakup output, discard */ @@ -1751,7 +1751,7 @@ static void speakup_con_update(struct vc_data *vc) { unsigned long flags; - if (speakup_console[vc->vc_num] == NULL || spk_parked) + if (!speakup_console[vc->vc_num] || spk_parked) return; if (!spin_trylock_irqsave(&speakup_info.spinlock, flags)) /* Speakup output, discard */ @@ -1766,7 +1766,7 @@ static void do_handle_spec(struct vc_data *vc, u_char value, char up_flag) int on_off = 2; char *label; - if (synth == NULL || up_flag || spk_killed) + if (!synth || up_flag || spk_killed) return; spin_lock_irqsave(&speakup_info.spinlock, flags); spk_shut_up &= 0xfe; @@ -1810,7 +1810,7 @@ static int inc_dec_var(u_char value) var_id = var_id / 2 + FIRST_SET_VAR; p_header = spk_get_var_header(var_id); - if (p_header == NULL) + if (!p_header ) return -1; if (p_header->var_type != VAR_NUM) return -1; @@ -1893,7 +1893,7 @@ static void speakup_bits(struct vc_data *vc) { int val = this_speakup_key - (FIRST_EDIT_BITS - 1); - if (spk_special_handler != NULL || val < 1 || val > 6) { + if (spk_special_handler || val < 1 || val > 6) { synth_printf("%s\n", spk_msg_get(MSG_ERROR)); return; } @@ -1984,7 +1984,7 @@ static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key) static void speakup_goto(struct vc_data *vc) { - if (spk_special_handler != NULL) { + if (spk_special_handler) { synth_printf("%s\n", spk_msg_get(MSG_ERROR)); return; } @@ -2065,7 +2065,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, u_char shift_info, offset; int ret = 0; - if (synth == NULL) + if (!synth ) return 0; spin_lock_irqsave(&speakup_info.spinlock, flags); @@ -2135,7 +2135,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, } } no_map: - if (type == KT_SPKUP && spk_special_handler == NULL) { + if (type == KT_SPKUP && !spk_special_handler) { do_spkup(vc, new_key); spk_close_press = 0; ret = 1; -- 2.11.0